Field test and numerical simulation of pile-slab foundation of 500 kV transmission line tower in silt

LIU Zhen-ping; HE Huai-jian; BAI Shi-wei; ZHANG Hua; ZOU Dan; LI Huo-bing

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Field test and numerical simulation of pile-slab foundation of 500 kV transmission line tower in silt

更新时间：2026-06-25

- Field test and numerical simulation of pile-slab foundation of 500 kV transmission line tower in silt
- Vol. 33, Issue 4, (2012)
- 作者机构：
  
  中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU447
- Online First：26 April 2012，
  
  Published：2012
- 稿件说明：
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LIU Zhen-ping, HE Huai-jian, BAI Shi-wei, et al. Field test and numerical simulation of pile-slab foundation of 500 kV transmission line tower in silt[J]. 2012, 33(4).
DOI：

LIU Zhen-ping, HE Huai-jian, BAI Shi-wei, et al. Field test and numerical simulation of pile-slab foundation of 500 kV transmission line tower in silt[J]. 2012, 33(4). DOI：

摘要

针对软弱淤泥地质条件下500 kV输电线铁塔桩板基础型式，在对桩进行完整性检测后，又对整个桩板基础进行了现场堆载、上拔力学试验，同时监测板底压力与桩身钢筋计的受力状况以及大板4脚、基柱的位移变形。试验结果表明，桩板基础具有良好的抗压、抗拔性能，在抵御外载荷作用时，表现出良好的整体性，能够很好地满足工程的需要；通过ABAQUS建立计算模型，在模拟结果与试验数据基本一致的基础上，进一步验证了现场试验的结论，为模拟桩板基础其他受力工况提供了可靠的模型依据。

Abstract

A new foundation type called pile-slab base is introduced for the 500kV transmission line tower according to the geological conditions of silt. Then the field mechanical tests of heap loading and uplifting are done for this new foundation after the pile integrity testing. At the same time

the pressure of the slab

the stress of steel bar meters and the displacement deformation of four corners of the slab and pile are monitored. The results show that the compressive and uplifting resistance performance is excellent and the foundation can function as a whole to resist deformation; the engineering demand also can be satisfied. Moreover

the field test is simulated by the ABAQUS software; the conclusions are verified further on the basis of consistence between numerical calculation results and test data; therefore

the numerical model can be applied to other mechanical simulation reliably.

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